公开(公告)号：EP1569007A3

公开(公告)日：2005-11-02

申请号：EP05251141.7

申请日：2005-02-25

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Jamieson, James R. ,  Ray, Mark D. ,  Meneely, Clinton T.

IPC: G01S7/48 ,  G01N21/25 ,  G01S17/42 ,  G01S17/89 ,  G01S17/87 ,  G01S7/484

CPC classification number: G06K9/4652 ,  G01N21/251 ,  G01N21/359 ,  G01S7/4802 ,  G01S7/484 ,  G01S17/87 ,  G01S17/89

Abstract: A method of identifying an object in a laser beam illuminated scene based on material types comprises the steps of: emitting a pulsed beam of laser energy, each beam pulse comprising a plurality of different discrete wavelength emission components; illuminating a predetermined scene with the pulsed beam; receiving return laser pulses from objects within the illuminated scene, each return laser pulse comprising return components corresponding to the plurality of different discrete wavelength emission components; determining spectral reflectance values for the plurality of return components of each return laser pulse; determining a material type for each return laser pulse of the illuminated scene based on the plurality of reflectance values of the corresponding return pulse; indexing each determined material type to a position in the illuminated scene; and identifying an object in the illuminated scene based on material types and indexed positions thereof in the scene. A counterpart system for carrying out the method is also disclosed.

公开(公告)号：EP1423732A2

公开(公告)日：2004-06-02

申请号：EP02756520.9

申请日：2002-07-18

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Jamieson, James R. ,  Ray, Mark D. ,  Meneely, Clinton T.

IPC: G01S17/93

CPC classification number: G01S7/4817 ,  G01S7/4812 ,  G01S7/4813 ,  G01S7/483 ,  G01S17/42 ,  G01S17/58 ,  G01S17/87 ,  G01S17/88 ,  G01S17/933

Abstract: A LIDAR system for measuring flow velocity in three axes comprises: a LIDAR arrangement of optical elements for generating a coherent beam of light and directing the coherent beam of light by at least one rotationally operated optical element from the system with a predetermined pattern, the at least one rotationally operated optical element also for receiving reflections from particles along the predetermined pattern and directing the beam reflections to a light detector which converts the beam reflections into representative electrical signals; and a processor for detecting bursts from the electrical signals which are representative of light beam reflections from at least one particle substantially at a corresponding position along the predetermined pattern, and for computing a Doppler frequency for each of a selected plurality of detected bursts from the signal content thereof. The processor also capable of associating the selected plurality of detected bursts with their corresponding positions along the predetermined pattern and for computing a three axis flow velocity measurement from at least three of the selected plurality of computed Doppler frequencies and their corresponding positions along the predetermined pattern. A method of measuring flow velocity in three axes is further disclosed.

公开(公告)号：EP2277776B1

公开(公告)日：2013-12-11

申请号：EP10005278.6

申请日：2010-05-20

Applicant: Rosemount Aerospace Inc.

Inventor： Ray, Mark D. ,  Nesnidal, Michael P.

IPC: B64D15/20

CPC classification number: B64D15/20

公开(公告)号：EP1601933B1

公开(公告)日：2012-01-11

申请号：EP04775836.2

申请日：2004-03-11

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Meneely, Clinton T. ,  Ray, Mark D. ,  HALAMA, Gary E.

IPC: G01C3/08 ,  H01S3/08

CPC classification number: G01C3/08 ,  G01C5/00

Abstract: A laser-based altimeter for use on-board an aircraft comprises: a first housing including a hollow cavity and an exit aperture, and a second housing including a hollow cavity and an entrance aperture. A laser source and a plurality of first optical elements are fixedly supported in a compact configuration within the hollow cavity of the first housing. The plurality of first optical elements directs laser beams generated by the laser source from a first optical path to a second optical path which exits the first housing through the exit aperture. At least one second optical element is configured within the hollow cavity of the second housing to form a telescope with a predetermined field of view. The telescope receives at the entrance aperture reflections of the pulsed laser beams from objects within the field of view thereof and focuses the received reflections substantially to a focal point. A light detector is included for receiving and converting the focused reflections into electrical signals representative thereof. The first and second housings are fixedly secured in alignment with respect to each other to permit the second optical path of the pulsed laser beams to be adjusted within the field of view of the telescope. A mirror apparatus is the only first optical element of the plurality that is fixedly adjustable for directing the second optical path within the field of view of the telescope, the mirror apparatus being lockable in place after final adjustment. The first and second housings may be part of a common housing.

公开(公告)号：EP2187232A3

公开(公告)日：2010-05-26

申请号：EP10001507.2

申请日：2008-11-06

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Ray, Mark D. ,  Swenson, James W. ,  Meneely, Clinton T.

IPC: G01S7/481 ,  G01S7/497 ,  G01S17/42

CPC classification number: G01S7/4972 ,  G01S7/4812 ,  G01S7/4817 ,  G01S17/42

Abstract: A method for determining a range to a target comprises rotating a mirror unit around a scan axis. A light pulse is reflected off of a transmitting portion of the mirror unit toward the target. A light pulse, received from the target, is reflected off of a receiving portion of the mirror unit toward a receiver. The method includes compensating for a lag angle, caused by the rotation of the mirror unit around the axis, between the time the light pulse is reflected from the transmitting portion and the time the received light pulse is reflected from the receiving portion. The compensation includes angularly offsetting the transmitting portion about the scan axis from a surface plane of the receiving portion.

Abstract translation: 用于确定目标的范围的方法包括围绕扫描轴旋转镜单元。 光脉冲从镜单元的发射部分向目标反射。 从目标接收的光脉冲从反射镜单元的接收部分向接收器反射。 该方法包括在光脉冲从发射部分反射的时间与从接收部分反射接收到的光脉冲的时间之间补偿由镜单元绕轴旋转引起的滞后角。 该补偿包括使传输部分围绕扫描轴线从接收部分的表面平面角度偏移。

公开(公告)号：EP1391382B1

公开(公告)日：2007-04-25

申请号：EP03254505.5

申请日：2003-07-18

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Jamieson, James R. ,  Ray, Mark D.

IPC: B64D15/20

CPC classification number: G01S17/95 ,  B64D15/20 ,  G01N21/21 ,  G01S7/4802 ,  G01S7/499 ,  G01S17/42 ,  G01S17/87 ,  G08B19/02 ,  Y02A90/19

Abstract: An ice detection warning system (10) mountable on board an aircraft for inflight monitoring of the airspace ahead of the aircraft comprises: a first plurality of optical elements (18) configured to direct a pulsed laser beam at a first wavelength from a laser source (14) into the airspace ahead of the aircraft; a second plurality of optical elements (32) configured to separate received backscattering of light from the laser beam into a plurality of predetermined wavelengths; a plurality of light detectors (50,52) for detecting the light of the separated plurality of wavelengths, respectively, and generating respectively corresponding plurality of electrical signals representative of the light detected thereby; and a processor (80) for processing the plurality of electrical signals to determine if airspace conditions ahead of the aircraft are likely to cause ice accretion on the surface of the aircraft, and for generating a warning indicative thereof. In one embodiment, the warning system includes an optical scanner (100) operative to scan the pulsed laser beam into the airspace ahead of the aircraft with a predetermined scan pattern, the scanner also being operative to receive the backscattering of light from the pulsed laser beam and direct it to the second plurality of optical elements which is configured to separate the received backscattering of light into the plurality of predetermined wavelengths.

公开(公告)号：EP1428046B1

公开(公告)日：2006-04-26

申请号：EP02748201.7

申请日：2002-07-18

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Jamieson, James R. ,  Ray, Mark D. ,  Meneely, Clinton T.

IPC: G01S17/93

CPC classification number: G01S17/58 ,  B64D45/08 ,  G01C23/005 ,  G01P5/26 ,  G01S7/4802 ,  G01S7/481 ,  G01S7/4812 ,  G01S7/4813 ,  G01S7/4817 ,  G01S7/483 ,  G01S17/42 ,  G01S17/87 ,  G01S17/88 ,  G01S17/933

Abstract: A combined system of a LOAS and a LIDAR system comprises: a LIDAR arrangement of optical elements for generating a first coherent beam of light at a first predetermined wavelength; a LOAS arrangement of optical elements for generating a second coherent beam of light at a second predetermined wavelength; a dichroic filter optical element for directing the first and second coherent beams of light substantially on a first common optical path towards an aperture of a beam expander; at least one output optical element which directs both of the expanded first and second coherent beams of light from the system, the at least one output optical element also for receiving and directing reflections of the first and second coherent beams of light to the beam expander wherein the beam reflections are collected; and wherein the dichroic filter optical element separates and directs the collected light corresponding to the first coherent beam back to the LIDAR arrangement of optical elements for use in determining flow velocity, and separates and directs the collected light corresponding to the second coherent beam back to the LOAS arrangement of optical elements for use in detecting at least one object.

公开(公告)号：EP1391382A1

公开(公告)日：2004-02-25

申请号：EP03254505.5

申请日：2003-07-18

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Jamieson, James R. ,  Ray, Mark D.

IPC: B64D15/20

CPC classification number: G01S17/95 ,  B64D15/20 ,  G01N21/21 ,  G01S7/4802 ,  G01S7/499 ,  G01S17/42 ,  G01S17/87 ,  G08B19/02 ,  Y02A90/19

Abstract: An ice detection warning system (10) mountable on board an aircraft for inflight monitoring of the airspace ahead of the aircraft comprises: a first plurality of optical elements (18) configured to direct a pulsed laser beam at a first wavelength from a laser source (14) into the airspace ahead of the aircraft; a second plurality of optical elements (32) configured to separate received backscattering of light from the laser beam into a plurality of predetermined wavelengths; a plurality of light detectors (50,52) for detecting the light of the separated plurality of wavelengths, respectively, and generating respectively corresponding plurality of electrical signals representative of the light detected thereby; and a processor (80) for processing the plurality of electrical signals to determine if airspace conditions ahead of the aircraft are likely to cause ice accretion on the surface of the aircraft, and for generating a warning indicative thereof. In one embodiment, the warning system includes an optical scanner (100) operative to scan the pulsed laser beam into the airspace ahead of the aircraft with a predetermined scan pattern, the scanner also being operative to receive the backscattering of light from the pulsed laser beam and direct it to the second plurality of optical elements which is configured to separate the received backscattering of light into the plurality of predetermined wavelengths.

Abstract translation: 可安装在飞行器上的用于对飞机前方的空域进行机上监视的冰检测警告系统（10）包括：第一多个光学元件（18），被配置为将来自激光源的第一波长的脉冲激光束 14）进入飞机前方的空域; 第二多个光学元件（32），被配置为将接收到的来自激光束的后向散射分离成多个预定波长; 多个光检测器（50,52），用于分别检测分离的多个波长的光，并分别产生表示由此检测的光的相应的多个电信号; 以及处理器（80），用于处理多个电信号以确定飞机前面的空域状况是否可能导致飞机表面积冰，并产生指示该飞机的警告。 在一个实施例中，警告系统包括光学扫描器（100），其操作以预定的扫描图案将脉冲激光束扫描到飞行器前方的空域中，扫描仪还可操作以接收来自脉冲激光束的光的后向散射 并将其引导到第二多个光学元件，其被配置为将所接收的光的后向散射分离成多个预定波长。

公开(公告)号：EP2184232B1

公开(公告)日：2013-08-28

申请号：EP09012476.9

申请日：2009-10-01

Applicant: Rosemount Aerospace Inc.

Inventor： Ray, Mark D. ,  Nesnidal, Michael P. ,  Socha, David M.

IPC: B64D15/20

CPC classification number: B64D15/20

公开(公告)号：EP2187231B1

公开(公告)日：2012-01-04

申请号：EP10001506.4

申请日：2008-11-06

Applicant: ROSEMOUNT AEROSPACE INC.

Inventor： Ray, Mark D. ,  Swenson, James W. ,  Meneely, Cilinton T.

IPC: G01S7/481 ,  G01S7/497 ,  G01S17/42

CPC classification number: G01S7/4972 ,  G01S7/4812 ,  G01S7/4817 ,  G01S17/42